20132885344 has 96 divisors (see below), whose sum is σ = 47702299680. Its totient is φ = 8241254400.

The previous prime is 20132885327. The next prime is 20132885347. The reversal of 20132885344 is 44358823102.

It is a junction number, because it is equal to n+sod(n) for n = 20132885297 and 20132885306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20132885347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 133962 + ... + 241270.

It is an arithmetic number, because the mean of its divisors is an integer number (496898955).

Almost surely, 2^20132885344 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20132885344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23851149840).

20132885344 is an abundant number, since it is smaller than the sum of its proper divisors (27569414336).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20132885344 is a wasteful number, since it uses less digits than its factorization.

20132885344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107384 (or 107376 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 40.

The spelling of 20132885344 in words is "twenty billion, one hundred thirty-two million, eight hundred eighty-five thousand, three hundred forty-four".